Les adresses IP débutant par 38.51.80 sont fournies par Cogent Communications, elles appartiennent au CIDR (Classless Inter-Domain Routing) 38.0.0.0/8, le bloc IP comprant les adresses de 38.0.0.0 à 38.255.255.255). Le numéro de système autonome (ASN) est 174.
| ASN | 174 |
| IP commençant par | 38.0.0.0 |
| IP se terminant par | 38.255.255.255 |
| Nom ASN | Cogent Communications |
| CDIR | 38.0.0.0/8 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 07/09/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Washington | 38,9016 | -77,0508 | 2017-09-06 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2017-09-06 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 38.51.80.0 | 640897024 | 0 |
| 38.51.80.1 | 640897025 | 0 |
| 38.51.80.2 | 640897026 | 0 |
| 38.51.80.3 | 640897027 | 0 |
| 38.51.80.4 | 640897028 | 0 |
| 38.51.80.5 | 640897029 | 0 |
| 38.51.80.6 | 640897030 | 0 |
| 38.51.80.7 | 640897031 | 0 |
| 38.51.80.8 | 640897032 | 0 |
| 38.51.80.9 | 640897033 | 0 |
| 38.51.80.10 | 640897034 | 0 |
| 38.51.80.11 | 640897035 | 0 |
| 38.51.80.12 | 640897036 | 0 |
| 38.51.80.13 | 640897037 | 0 |
| 38.51.80.14 | 640897038 | 0 |
| 38.51.80.15 | 640897039 | 0 |
| 38.51.80.16 | 640897040 | 0 |
| 38.51.80.17 | 640897041 | 0 |
| 38.51.80.18 | 640897042 | 0 |
| 38.51.80.19 | 640897043 | 0 |
| 38.51.80.20 | 640897044 | 0 |
| 38.51.80.21 | 640897045 | 0 |
| 38.51.80.22 | 640897046 | 0 |
| 38.51.80.23 | 640897047 | 0 |
| 38.51.80.24 | 640897048 | 0 |
| 38.51.80.25 | 640897049 | 0 |
| 38.51.80.26 | 640897050 | 0 |
| 38.51.80.27 | 640897051 | 0 |
| 38.51.80.28 | 640897052 | 0 |
| 38.51.80.29 | 640897053 | 0 |
| 38.51.80.30 | 640897054 | 0 |
| 38.51.80.31 | 640897055 | 0 |
| 38.51.80.32 | 640897056 | 0 |
| 38.51.80.33 | 640897057 | 0 |
| 38.51.80.34 | 640897058 | 0 |
| 38.51.80.35 | 640897059 | 0 |
| 38.51.80.36 | 640897060 | 0 |
| 38.51.80.37 | 640897061 | 0 |
| 38.51.80.38 | 640897062 | 0 |
| 38.51.80.39 | 640897063 | 0 |
| 38.51.80.40 | 640897064 | 0 |
| 38.51.80.41 | 640897065 | 0 |
| 38.51.80.42 | 640897066 | 0 |
| 38.51.80.43 | 640897067 | 0 |
| 38.51.80.44 | 640897068 | 0 |
| 38.51.80.45 | 640897069 | 0 |
| 38.51.80.46 | 640897070 | 0 |
| 38.51.80.47 | 640897071 | 0 |
| 38.51.80.48 | 640897072 | 0 |
| 38.51.80.49 | 640897073 | 0 |
| 38.51.80.50 | 640897074 | 0 |
| 38.51.80.51 | 640897075 | 0 |
| 38.51.80.52 | 640897076 | 0 |
| 38.51.80.53 | 640897077 | 0 |
| 38.51.80.54 | 640897078 | 0 |
| 38.51.80.55 | 640897079 | 0 |
| 38.51.80.56 | 640897080 | 0 |
| 38.51.80.57 | 640897081 | 0 |
| 38.51.80.58 | 640897082 | 0 |
| 38.51.80.59 | 640897083 | 0 |
| 38.51.80.60 | 640897084 | 0 |
| 38.51.80.61 | 640897085 | 0 |
| 38.51.80.62 | 640897086 | 0 |
| 38.51.80.63 | 640897087 | 0 |
| 38.51.80.64 | 640897088 | 0 |
| 38.51.80.65 | 640897089 | 0 |
| 38.51.80.66 | 640897090 | 0 |
| 38.51.80.67 | 640897091 | 0 |
| 38.51.80.68 | 640897092 | 0 |
| 38.51.80.69 | 640897093 | 0 |
| 38.51.80.70 | 640897094 | 0 |
| 38.51.80.71 | 640897095 | 0 |
| 38.51.80.72 | 640897096 | 0 |
| 38.51.80.73 | 640897097 | 0 |
| 38.51.80.74 | 640897098 | 0 |
| 38.51.80.75 | 640897099 | 0 |
| 38.51.80.76 | 640897100 | 0 |
| 38.51.80.77 | 640897101 | 0 |
| 38.51.80.78 | 640897102 | 0 |
| 38.51.80.79 | 640897103 | 0 |
| 38.51.80.80 | 640897104 | 0 |
| 38.51.80.81 | 640897105 | 0 |
| 38.51.80.82 | 640897106 | 0 |
| 38.51.80.83 | 640897107 | 0 |
| 38.51.80.84 | 640897108 | 0 |
| 38.51.80.85 | 640897109 | 0 |